:root {
  --main: #008bd1;
}

.row {
  margin-top: 2rem;
}

.mplus {
  font-family: 'M PLUS 1p', sans-serif;
}

.guide_top {
  height: 15rem;
}

.guide_top div {
  width: 100%;
  background-position: center;
  background-size: cover;
}

.contents-wrap {
  padding: 0;
  font-weight: normal;
}

.inline {
  display: inline-block;
}

.fz-s {
  font-size: 1.6rem !important;
  line-height: 1.8;
}

.fz-m {
  font-size: 2rem !important;
  line-height: 1.8;
}

.fz-l {
  font-size: 2.5rem !important;
  font-weight: bold;
  line-height: 1.8;
}

.bold {
  font-weight: bold;
}

.bg-img{
  background-position: center !important;
}

.contents-wrap strong {
  color: rgb(220, 67, 118);
}

.contents-wrap section {
  padding-bottom: 3rem;
}

.contents-wrap section:before,
.anchor:before {
  content: "";
  margin-top: -4rem;
  padding-top: 4rem;
  display: block;
  position: relative;
  z-index: -1;
}

.image {
  margin: 1rem auto;
}

.flex {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-flow: row nowrap;
}

.text-flex {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-flow: row wrap;
}

.disc li {
  list-style-type: disc;
  margin-left: 2rem;
}

.wrap {
  color: rgba(0, 0, 0, 0.6);
  padding: 1rem;
}

.wrap p {
  margin: 0;
}

.wrap .box {
  background: rgba(150, 150, 150, 0.1);
  padding: 2rem 1rem;
  width: 100%;
  margin: 2rem auto 3rem;
}

.wrap .box .box {
  background: none;
  padding: 1rem;
  border: 3px solid rgba(150, 150, 150, 0.3);
  border-right: none;
  border-left: none;
}

.contents-wrap .h2 {
  background: dodgerblue;
  background: var(--main);
  color: #fff;
  padding: 5rem 1rem;
  margin: 3rem auto 1rem;
}

.contents-wrap .h3 {
  border-bottom: 3px solid #555;
  padding-bottom: 0.5rem;
}

/* .wrap ol {
  counter-reset: number;
}

.wrap ol li a:before {
  counter-increment: number 1;
  content: counter(number) ".";
  font-weight: bold;
  margin-right: 0.5rem;
} */

.link a {
  display: inline-block;
  border: 2px solid var(--main);
  border-radius: 1rem;
  width: 100%;
  padding: 1rem 0;
}

.howto {
  counter-reset: number;
}

.howto h4::before {
  counter-increment: number 1;
  content: counter(number) ".";
  margin-right: 0.5rem;
}

.ss {
  margin: 2rem auto;
  padding: 2rem 0;
}

.ss img {
  /* max-width: 90%; */
}

.wrap .fa-angle-double-down {
  text-align: center;
  font-size: 5rem;
  color: rgba(0, 0, 0, 0.1);
}

.wrap .fa-exclamation-triangle {
  font-size: 3rem;
  text-align: center;
  color: rgba(0, 0, 0, 0.1);
  padding: 0 1rem;
  margin-right: 1rem;
}

.count-list {
  counter-reset: number;
}

.count-list .count:before {
  counter-increment: number 1;
  content: counter(number) ".";
  margin-right: 0.2rem;
}

.choose-os {
  margin: 3rem auto;
}

.choose-os a {
  border: 2px solid var(--main);
  border-radius: 1rem;
  padding: 2rem 0;
}

.link-btn-box {
  display: block;
  color: #FFF;
  background-color: #d15656;
  text-align: center;
  padding: 6rem;
  margin-top: 3rem;
  border-radius: 8rem;
  box-shadow: 2px 2px 10px #9b9a9a;
  font-size: 2.0rem;
}

.link-btn-box:hover {
  color: #FFF;
  text-decoration: none;
  opacity: 0.8;
}

.link-img {
  width: 100%;
  object-fit: contain;
}

.pc-img {
  display: none;
}

.sp-img {
  display: block;
}

.backup-img {
  width: 80%;
  border: 1px solid #ddd;
}

.quick-start {
  display: inline-block;
}

#quick-start::before {
    display: block;
    height: 4rem;
    margin-top: -4rem;
    content: "";
}

@media (min-width: 900px) {
  .guide_top {
    height: 25rem;
  }

  .fz-s {
    font-size: 1.8rem !important;
  }

  .fz-m {
    font-size: 2.4rem !important;
  }

  .fz-l {
    font-size: 4rem !important;
  }

  .wrap {
    width: 95%;
    margin: auto;
  }

  .wrap .box {
    padding: 2rem 3rem;
  }

  .contents-wrap .h2 {
    margin: 3rem auto 1rem;
  }

  .image img {
    width: 60%;
  }

  .pc-img {
    display: block;
  }

  .sp-img {
    display: none;
  }

  .backup-img {
    max-width: 400px !important;
    width: 100%;
  }

}

@media (max-width: 768px) {
  .model-change {
    padding: 0 !important;
  }
}